Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Hachfeld, Anna; Ledergerber, Bruno; Darling, Katharine; Weber, Rainer; Calmy, Alexandra; Battegay, Manuel; Sugimoto, Kiyoshi; Di Benedetto, Caroline; Fux, Christoph A; Tarr, Philip E; Kouyos, Roger; Furrer, Hansjakob; Wandeler, Gilles (2015). Reasons for late presentation to HIV care in Switzerland. Journal of the International Aids Society, 18(1):20317.